I am working on a lifting analysis for a subsea structure and need to estimate the seabed resistance when lifting subsea. I know that the structure will settle 2 ft into the soil when installed. How do I determine the resistance from the seabed when lifting this structure? Is this something I can derive using a P-Y curve? I am using DNV 2.7.3 for lifting loads but in addition to this I need to account for seabed resistance. Anyone have any thoughts or ideas? Any help is much appreciated.
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